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Re: Star to star angular measurement, beginner
From: Marc Bernstein
Date: 2005 Mar 12, 09:48 -0500
From: Marc Bernstein
Date: 2005 Mar 12, 09:48 -0500
On Mar 11, 2005, at 11:16 PM, Frank Reed wrote: > > By the way, parallax, for the Moon, Sun etc. is also an entirely > vertical correction so you can go immediately to the case of lunar > distance calculations from you star-star calculations, if you want. > There's one small issue: the Earth's oblateness yields a slightly > non-vertical component to parallax but that can be dealt with > separately. This brings up the question: why is it called "horizontal parallax"?